Smush it server not reachable errors

I receive the following error when I attempt a bulk request or an individual request.
Oh Snap! Seems like Smush Pro server is not reachable, you can try back in some time. I see a green light next to API Connected. Any ideas?

I was checking the issue on your site and there definitely a issue with Cloudflare or WPEngine blocking the API server for you. Because the smush request just don't even reach the server, so probably some block.

Can you please contact WPEngine once and check what they have to say about it?

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